So far i have not seen anything which don't have that character same as a coin have two sides head and tail.This formula is correct for everything in this universe from economy to politic, from culture to sport ...etc.

you know, i am fascinated by this natural formula because when you think about something. You thought it will be great if you could have that or our society could have but it happens the other side not as what you thought. I give example: i thought if a nation have democracy people will be very happy but after a certain countries have struggled to achive that then economic drama raise up. it's funny